3005213 has 2 divisors, whose sum is σ = 3005214. Its totient is φ = 3005212.

The previous prime is 3005207. The next prime is 3005221. The reversal of 3005213 is 3125003.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1570009 + 1435204 = 1253^2 + 1198^2 .

It is a cyclic number.

It is not a de Polignac number, because 3005213 - 2⁸ = 3004957 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3005293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1502606 + 1502607.

It is an arithmetic number, because the mean of its divisors is an integer number (1502607).

Almost surely, 2^3005213 is an apocalyptic number.

It is an amenable number.

3005213 is a deficient number, since it is larger than the sum of its proper divisors (1).

3005213 is an equidigital number, since it uses as much as digits as its factorization.

3005213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90, while the sum is 14.

The square root of 3005213 is about 1733.5550178751. Note that the first 3 decimals coincide. The cubic root of 3005213 is about 144.3084469903.

The spelling of 3005213 in words is "three million, five thousand, two hundred thirteen".